The project is located in Qiantang District, Hangzhou City, Zhejiang Province, with a land area of 600 acres and a total construction area of approximately 547300 square meters. The project includes the construction of a trial production workshop, stamping workshop, welding workshop, and final assembly workshop, as well as supporting facilities such as a cafeteria, security room, and waste storage facility. The stamping workshop has a building area of approximately 23100 square meters and a maximum structural elevation of 21.35 meters; The welding workshop has a building area of approximately 75000 square meters, with a maximum structural elevation of 13.39 meters; The total assembly workshop has a building area of approximately 82600 square meters and a structural elevation of 13.39 meters; The supporting facilities have a construction area of approximately 210000 square meters. The project adopts a structural form that combines light steel with grid and steel frame structures, with a total steel consumption of about 18000 tons.